Remove useless/misleading comment. flattenStmts not only for patterns.
Remove useless/misleading comment. flattenStmts not only for patterns.

singularperturbation/Nim,tulayang/Nim,mbaulch/Nim,haiodo/Nim,mbaulch/Nim,mbaulch/Nim,mbaulch/Nim,tulayang/Nim,dom96/Nim,mbaulch/Nim,jfhg/Nim,jfhg/Nim,haiodo/Nim,russpowers/Nim,singularperturbation/Nim,mbaulch/Nim,jfhg/Nim,jfhg/Nim,russpowers/Nim,dom96/Nim,jfhg/Nim,russpowers/Nim,dom96/Nim,jfhg/Nim,singularperturbation/Nim,russpowers/Nim,tulayang/Nim,dom96/Nim,singularperturbation/Nim,haiodo/Nim,haiodo/Nim,tulayang/Nim,haiodo/Nim,haiodo/Nim,haiodo/Nim,dom96/Nim,singularperturbation/Nim,singularperturbation/Nim,dom96/Nim,singularperturbation/Nim,dom96/Nim,tulayang/Nim,russpowers/Nim,russpowers/Nim,russpowers/Nim,mbaulch/Nim,tulayang/Nim,jfhg/Nim